Check the ground wires to rear tail lights. It may be a loose or a bad ground. Try this, Connect a wire of the same size as tail lights. From tail light to a good ground, any metal surface. You can splice into ground wire if necessary. God-Bless! This may be the cause.
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Check the ground wires to rear tail lights. It may be a loose or a bad ground. Try this, Connect a wire of the same size as tail lights. From tail light to a good ground, any metal surface. You can splice into ground wire if necessary. God-Bless! This may be the cause.